/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/loops/array-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 03:56:40,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 03:56:40,616 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 03:56:40,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 03:56:40,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 03:56:40,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 03:56:40,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 03:56:40,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 03:56:40,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 03:56:40,646 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 03:56:40,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 03:56:40,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 03:56:40,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 03:56:40,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 03:56:40,648 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 03:56:40,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 03:56:40,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 03:56:40,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 03:56:40,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 03:56:40,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 03:56:40,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 03:56:40,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 03:56:40,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 03:56:40,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 03:56:40,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 03:56:40,650 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 03:56:40,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 03:56:40,651 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 03:56:40,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 03:56:40,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 03:56:40,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 03:56:40,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 03:56:40,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 03:56:40,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 03:56:40,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 03:56:40,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 03:56:40,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 03:56:40,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 03:56:40,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 03:56:40,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 03:56:40,653 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 03:56:40,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 03:56:40,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 03:56:40,653 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 03:56:40,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 03:56:40,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 03:56:40,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 03:56:40,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 03:56:40,864 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 03:56:40,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-2.c [2023-12-21 03:56:41,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 03:56:42,099 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 03:56:42,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/array-2.c [2023-12-21 03:56:42,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6be2a14/b67d5d0186bb4fa19c4788af4b55610d/FLAGcd59968a0 [2023-12-21 03:56:42,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6be2a14/b67d5d0186bb4fa19c4788af4b55610d [2023-12-21 03:56:42,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 03:56:42,120 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 03:56:42,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 03:56:42,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 03:56:42,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 03:56:42,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f2b71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42, skipping insertion in model container [2023-12-21 03:56:42,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 03:56:42,249 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/array-2.c[319,332] [2023-12-21 03:56:42,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 03:56:42,271 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 03:56:42,279 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/array-2.c[319,332] [2023-12-21 03:56:42,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 03:56:42,298 INFO L206 MainTranslator]: Completed translation [2023-12-21 03:56:42,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42 WrapperNode [2023-12-21 03:56:42,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 03:56:42,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 03:56:42,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 03:56:42,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 03:56:42,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,326 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2023-12-21 03:56:42,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 03:56:42,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 03:56:42,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 03:56:42,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 03:56:42,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,342 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,355 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2023-12-21 03:56:42,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 03:56:42,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 03:56:42,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 03:56:42,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 03:56:42,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (1/1) ... [2023-12-21 03:56:42,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 03:56:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 03:56:42,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-21 03:56:42,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-21 03:56:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 03:56:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 03:56:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 03:56:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-21 03:56:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-21 03:56:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-21 03:56:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 03:56:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 03:56:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-21 03:56:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-21 03:56:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-21 03:56:42,489 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 03:56:42,491 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 03:56:42,575 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 03:56:42,592 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 03:56:42,592 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 03:56:42,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:56:42 BoogieIcfgContainer [2023-12-21 03:56:42,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 03:56:42,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 03:56:42,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 03:56:42,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 03:56:42,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:56:42" (1/3) ... [2023-12-21 03:56:42,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6283c090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:56:42, skipping insertion in model container [2023-12-21 03:56:42,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:56:42" (2/3) ... [2023-12-21 03:56:42,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6283c090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:56:42, skipping insertion in model container [2023-12-21 03:56:42,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:56:42" (3/3) ... [2023-12-21 03:56:42,598 INFO L112 eAbstractionObserver]: Analyzing ICFG array-2.c [2023-12-21 03:56:42,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 03:56:42,610 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 03:56:42,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 03:56:42,650 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d9f85f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 03:56:42,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 03:56:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:56:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-21 03:56:42,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 03:56:42,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-21 03:56:42,658 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 03:56:42,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 03:56:42,662 INFO L85 PathProgramCache]: Analyzing trace with hash 63386408, now seen corresponding path program 1 times [2023-12-21 03:56:42,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 03:56:42,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279932383] [2023-12-21 03:56:42,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:56:42,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 03:56:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 03:56:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 03:56:42,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 03:56:42,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279932383] [2023-12-21 03:56:42,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279932383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 03:56:42,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 03:56:42,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 03:56:42,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780285436] [2023-12-21 03:56:42,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 03:56:42,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 03:56:42,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 03:56:42,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 03:56:42,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 03:56:42,822 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:56:42,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 03:56:42,844 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2023-12-21 03:56:42,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 03:56:42,847 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-12-21 03:56:42,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 03:56:42,851 INFO L225 Difference]: With dead ends: 16 [2023-12-21 03:56:42,851 INFO L226 Difference]: Without dead ends: 8 [2023-12-21 03:56:42,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 03:56:42,856 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 03:56:42,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 03:56:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-12-21 03:56:42,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-12-21 03:56:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:56:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2023-12-21 03:56:42,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2023-12-21 03:56:42,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 03:56:42,875 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2023-12-21 03:56:42,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:56:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-21 03:56:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-21 03:56:42,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 03:56:42,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-21 03:56:42,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 03:56:42,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 03:56:42,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 03:56:42,879 INFO L85 PathProgramCache]: Analyzing trace with hash 63058707, now seen corresponding path program 1 times [2023-12-21 03:56:42,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 03:56:42,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245897550] [2023-12-21 03:56:42,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:56:42,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 03:56:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 03:56:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 03:56:43,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 03:56:43,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245897550] [2023-12-21 03:56:43,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245897550] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 03:56:43,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 03:56:43,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 03:56:43,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926710183] [2023-12-21 03:56:43,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 03:56:43,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 03:56:43,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 03:56:43,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 03:56:43,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 03:56:43,060 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:56:43,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 03:56:43,076 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2023-12-21 03:56:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 03:56:43,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-12-21 03:56:43,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 03:56:43,077 INFO L225 Difference]: With dead ends: 15 [2023-12-21 03:56:43,077 INFO L226 Difference]: Without dead ends: 11 [2023-12-21 03:56:43,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 03:56:43,078 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 03:56:43,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 03:56:43,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-12-21 03:56:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2023-12-21 03:56:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:56:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2023-12-21 03:56:43,081 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 5 [2023-12-21 03:56:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 03:56:43,081 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-12-21 03:56:43,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 03:56:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-12-21 03:56:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-21 03:56:43,082 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 03:56:43,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 03:56:43,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 03:56:43,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 03:56:43,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 03:56:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1074741191, now seen corresponding path program 1 times [2023-12-21 03:56:43,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 03:56:43,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112686018] [2023-12-21 03:56:43,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 03:56:43,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 03:56:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 03:56:43,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-21 03:56:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 03:56:43,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-21 03:56:43,156 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-21 03:56:43,157 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 03:56:43,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 03:56:43,160 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-21 03:56:43,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 03:56:43,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:56:43 BoogieIcfgContainer [2023-12-21 03:56:43,180 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 03:56:43,180 INFO L158 Benchmark]: Toolchain (without parser) took 1060.27ms. Allocated memory is still 271.6MB. Free memory was 223.1MB in the beginning and 159.8MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-12-21 03:56:43,181 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 200.3MB. Free memory was 154.7MB in the beginning and 154.5MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 03:56:43,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.39ms. Allocated memory is still 271.6MB. Free memory was 223.1MB in the beginning and 212.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-21 03:56:43,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.61ms. Allocated memory is still 271.6MB. Free memory was 212.2MB in the beginning and 210.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 03:56:43,182 INFO L158 Benchmark]: Boogie Preprocessor took 46.45ms. Allocated memory is still 271.6MB. Free memory was 210.5MB in the beginning and 209.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-21 03:56:43,182 INFO L158 Benchmark]: RCFGBuilder took 217.93ms. Allocated memory is still 271.6MB. Free memory was 209.0MB in the beginning and 197.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-21 03:56:43,182 INFO L158 Benchmark]: TraceAbstraction took 586.08ms. Allocated memory is still 271.6MB. Free memory was 196.9MB in the beginning and 159.8MB in the end (delta: 37.1MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-12-21 03:56:43,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 200.3MB. Free memory was 154.7MB in the beginning and 154.5MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 177.39ms. Allocated memory is still 271.6MB. Free memory was 223.1MB in the beginning and 212.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.61ms. Allocated memory is still 271.6MB. Free memory was 212.2MB in the beginning and 210.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.45ms. Allocated memory is still 271.6MB. Free memory was 210.5MB in the beginning and 209.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.93ms. Allocated memory is still 271.6MB. Free memory was 209.0MB in the beginning and 197.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 586.08ms. Allocated memory is still 271.6MB. Free memory was 196.9MB in the beginning and 159.8MB in the end (delta: 37.1MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 7]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L15] unsigned int SIZE=1; [L16] unsigned int j,k; [L17] int array[SIZE], menor; [L19] menor = __VERIFIER_nondet_int() [L21] j=0 VAL [SIZE=1, array={5:0}, j=0, menor=0] [L21] COND TRUE jmenor) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-12-21 03:56:43,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...